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#11
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![]() ... and luckily hydro costs are pretty insignificant for moon lights, unlike metal halide.
eg. 4 watts x 12 hours/day x 30 days/month x $0.0605/kWh = 9 cents/month. ok, I admit it, I'm an engineer ...
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______________ - Lyle Our tank http://www.pansy-paws.com/aquarium/ 29 gallon nano-tank |